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Sysadmin Best way to measure the disk read/write speed and the Network in/out speed?

Discussion in 'System Administration' started by pamamolf, Sep 5, 2017.

  1. pamamolf

    pamamolf Well-Known Member

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    Hello :)

    What's the best way to measure the hard disk read/write speed and the Network in/out speed of a server?

    What do you use?

    Thank you :)
     
  2. eva2000

    eva2000 Administrator Staff Member

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    For disk, a combination of dd, ffio and ioping and for network wget/axel benchmarks which centminmodbench.sh benchmark script does bench.centminmod.com :D
     
  3. pamamolf

    pamamolf Well-Known Member

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    Is that options ok to benchmark only the hard disk read/write and network in/out speed (Europe only)?

     
  4. eva2000

    eva2000 Administrator Staff Member

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    try and see ;)
     
  5. pamamolf

    pamamolf Well-Known Member

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    To be honest i don't have an idea where to look on the output for:

    1)Disk read/write speed
    2)Network card upload/download speed

    :(
     
  6. eva2000

    eva2000 Administrator Staff Member

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    it's all there, read the ffio, ioping, dd and wget, axel manuals though wget, axel and dd are straight forward

    for ffio, bw= and iops= lines etc
     
  7. pamamolf

    pamamolf Well-Known Member

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    Damn it seems confusing :)

    Read: 398.34 MB
    Read iops: 99584

    Write speed: 79.205 MB
    Write iops: 19801

    Is that correct?


    For dd what's the read and write?

    For the network card the higher speed is the maximum download speed?

    Download: 100MB/s so around 800Mbit?

    Upload speed?
     
    Last edited: Sep 5, 2017